{
  "cveId": "CVE-2022-49301",
  "url": "https://patchblox.com/security/cve/CVE-2022-49301",
  "summary": "CVE-2022-49301 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49301, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  staging: rtl8712: fix uninit-value in usb_read8(...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  staging: rtl8712: fix uninit-value in usb_read8() and friends  When r8712_usbctrl_vendorreq() returns negative, \u0027data\u0027 in usb_read{8,16,32} will not be initialized.  BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:643 [inline] BUG: KMSAN: uninit-value in string\u002B0x4ec/0x6f0 lib/vsprintf.c:725  string_nocheck lib/vsprintf.c:643 [inline]  string\u002B0x4ec/0x6f0 lib/vsprintf.c:725  vsnprintf\u002B0x2222/0x3650 lib/vsprintf.c:2806  va_format lib/vsprintf.c:1704 [inline]  pointer\u002B0x18e6/0x1f70 lib/vsprintf.c:2443  vsnprintf\u002B0x1a9b/0x3650 lib/vsprintf.c:2810  vprintk_store\u002B0x537/0x2150 kernel/printk/printk.c:2158  vprintk_emit\u002B0x28b/0xab0 kernel/printk/printk.c:2256  dev_vprintk_emit\u002B0x5ef/0x6d0 drivers/base/core.c:4604  dev_printk_emit\u002B0x1dd/0x21f drivers/base/core.c:4615  __dev_printk\u002B0x3be/0x440 drivers/base/core.c:4627  _dev_info\u002B0x1ea/0x22f drivers/base/core.c:4673  r871xu_drv_init\u002B0x1929/0x3070 drivers/staging/rtl8712/usb_intf.c:401  usb_probe_interface\u002B0xf19/0x1600 drivers/usb/core/driver.c:396  really_probe\u002B0x6c7/0x1350 drivers/base/dd.c:621  __driver_probe_device\u002B0x3e9/0x530 drivers/base/dd.c:752  driver_probe_device drivers/base/dd.c:782 [inline]  __device_attach_driver\u002B0x79f/0x1120 drivers/base/dd.c:899  bus_for_each_drv\u002B0x2d6/0x3f0 drivers/base/bus.c:427  __device_attach\u002B0x593/0x8e0 drivers/base/dd.c:970  device_initial_probe\u002B0x4a/0x60 drivers/base/dd.c:1017  bus_probe_device\u002B0x17b/0x3e0 drivers/base/bus.c:487  device_add\u002B0x1fff/0x26e0 drivers/base/core.c:3405  usb_set_configuration\u002B0x37e9/0x3ed0 drivers/usb/core/message.c:2170  usb_generic_driver_probe\u002B0x13c/0x300 drivers/usb/core/generic.c:238  usb_probe_device\u002B0x309/0x570 drivers/usb/core/driver.c:293  really_probe\u002B0x6c7/0x1350 drivers/base/dd.c:621  __driver_probe_device\u002B0x3e9/0x530 drivers/base/dd.c:752  driver_probe_device drivers/base/dd.c:782 [inline]  __device_attach_driver\u002B0x79f/0x1120 drivers/base/dd.c:899  bus_for_each_drv\u002B0x2d6/0x3f0 drivers/base/bus.c:427  __device_attach\u002B0x593/0x8e0 drivers/base/dd.c:970  device_initial_probe\u002B0x4a/0x60 drivers/base/dd.c:1017  bus_probe_device\u002B0x17b/0x3e0 drivers/base/bus.c:487  device_add\u002B0x1fff/0x26e0 drivers/base/core.c:3405  usb_new_device\u002B0x1b91/0x2950 drivers/usb/core/hub.c:2566  hub_port_connect drivers/usb/core/hub.c:5363 [inline]  hub_port_connect_change drivers/usb/core/hub.c:5507 [inline]  port_event drivers/usb/core/hub.c:5665 [inline]  hub_event\u002B0x58e3/0x89e0 drivers/usb/core/hub.c:5747  process_one_work\u002B0xdb6/0x1820 kernel/workqueue.c:2289  worker_thread\u002B0x10d0/0x2240 kernel/workqueue.c:2436  kthread\u002B0x3c7/0x500 kernel/kthread.c:376  ret_from_fork\u002B0x1f/0x30  Local variable data created at:  usb_read8\u002B0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33  r8712_read8\u002B0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29  KMSAN: uninit-value in r871xu_drv_init https://syzkaller.appspot.com/bug?id=3cd92b1d85428b128503bfa7a250294c9ae00bd8",
  "published": "2025-02-26T07:01:06Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00262,
  "epssPercentile": 0.18088,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49301",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49301",
      "released": "2025-02-26T07:01:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49301",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49301",
      "released": "2025-02-26T07:01:06Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49301",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49301",
      "released": "2025-02-26T07:01:06Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}